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Çѱ¹µµ·ÎÇÐȸ / v.12, no.1, 2010³â, pp.1-8
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( A Study on the Type of Pavement Base and Drainage in Mountain Road for the Prevention of the Pavement Damage by Uplift Water Pressure )
ÀÓ¿µ±Ô;À±Âù¿µ;À̽¿ì; (ÁÖ)µ¿¼º¿£Áö´Ï¾î¸µ µµ·ÎºÎ;°­¸ª¿øÁÖ´ëÇб³ Åä¸ñ°øÇаú;°­¸ª¿øÁÖ´ëÇб³ Åä¸ñ°øÇаú;
 
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±¹ÅäÀÇ 70% ÀÌ»óÀÌ »ê¾ÇÁöÀÎ ¿ì¸®³ª¶ó ÁöÇüÀû Ư¼º ¶§¹®¿¡ µµ·Î°¡ »êÁöÀ» ÀÎÁ¢Çؼ­ °Ç¼³µÇ´Â °ÍÀÌ ºÒ°¡ÇÇÇÏ´Ù. ÃÖ±Ù µé¾î ¿Â³­È­µîÀÇ ¿µÇâÀ¸·Î ÅÂdzÀ̳ª ÁýÁßÈ£¿ì°¡ ºó¹øÈ÷ ¹ß»ýÇϰí ÀÖÀ¸¸ç ÀÌ·Î ÀÎÇÑ »êÁö µµ·ÎÀÇ »ê»çÅÂ, Åä¼®·ù, »óÇâÁüÅõ¼ö¾Ð µî¿¡ ÀÇÇÑ Àθí, ½Ã¼³¹° ÇÇÇØµµ ±Ø½ÉÇÏ°Ô ³ªÅ¸³ª°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÀÌ·¯ÇÑ »êÁö µµ·ÎÀÇ ÇÇÇØ Áß »óÇâħÅõ¼ö¾Ð¿¡ ÀÇÇØ ¹ß»ýÇÏ´Â Æ÷ÀåÀÇ Æ²¸² Çö»ó¿¡ ´ëÇÏ¿© °íÂûÇÏ¿´´Ù. »êÁöµµ·Î ÁÖº¯ÀÇ ´Ù¾çÇÑ Æ¯¼ºÀ» °í·ÁÇϱâ À§ÇÏ¿© »óÇâħÅõ¼ö¾Ð¿¡ ÀÇÇØ Æ÷ÀåÆÄ¼ÕÀÌ ¹ß»ýÇÑ Áö¿ªÆ¯¼º¿¡ ´ëÇÏ¿© »ç¸íÀÇ °æ»ç°¢, »êÁöÇ¥¸éÀÇ º¸°¡À¯¹«, »êÁö °æ»ç¸é Åä»çÃþÀÇ µÎ²², ÁöÁß ¹è¼ö°üÀÇ ¼³Ä¡ À¯¹«¿¡ µû¶ó »óÇâħÅõ¼ö¾ÐÀ» »êÁ¤ÇÏ¿´´Ù. ºÐ¼®°á°ú »óÇâħÅõ¼ö¾ÐÀº ÇöÀç ÀϹÝÀûÀ¸·Î »ç¿ëµÇ°í ÀÖ´Â ¼â¼®±âÃþ À§ÀÇ ¾Æ½ºÆÈÆ®Æ÷Àå ¹× Ç¥¸é¹è¼öÇü½ÄÁ¶°Ç¿¡¼­ 5~10kPa ¹üÀ§¿¡¼­ ¹ß»ýÇϸç, »ç¸é°æ»ç°¢ÀÌ Ä¿Áü¿¡ µû¶ó »óÇâħÅõ¼ö¾Ðµµ ºñ·ÊÇÏ¿© Ä¿Áö´Â °ÍÀ» È®ÀÎÇÏ¿´°í, »ç¸éÀÇ Ç¥¸éÀ» º¸°­ ó¸®ÇÏÁö ¾Ê¾ÒÀ» °æ¿ìÀÇ »óÇâħÅõ¼ö¾ÐÀº ÀÛ°Ô ³ªÅ¸³µ´Ù. »êÁö °æ»ç¸éÀÇ Åä»çÃþÀÇ µÎ²²´Â ÁöÇϼöÀ§°¡ »êÁöÇ¥¸é±îÁö »ó½ÂÇÑ Á¶°Ç¿¡¼­´Â »óÇâħÅõ¼ö¾Ð¿¡ Å« ¿µÇâÀº ¾ø¾úÀ¸³ª, ÁöÇϼöÀ§°¡ »êÁöÇ¥¸é±îÁö »ó½ÂÇÏ´Â °ÍÀº °­¿ìÁö¼Ó½Ã°£¿¡ µû¶ó¼­ ¿µÇâÀ» ¹Þ´Â Á¡À» °í·ÁÇϸé, ÁöÁß¹è¼ö°üÀÇ ¼³Ä¡´Â µµ·Î Ç¥Ãþ¿¡ °¡ÇØÁö´Â »óÇâħµÎ¼ö¾ÐÀ» È¿À²ÀûÀ¸·Î °¨¼Ò½Ãų ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù. ±âÃþÇü½Ä¿¡ µû¸¥ »óÇâħÅõ¼ö¾Ð¿¡ ´ëÇÑ ÀúÇ×¼º Ãø¸é¿¡¼­´Â ºñ ºÎÂø¼ºÀÎ ¼â¼®±âÃþº¸´Ù ºÎÂø¼ºÀÎ ¾ÈÁ¤Ã³¸®±âÃþÀÌ ÀÚÁßÀÌ Áõ°¡ÇÏ¿© Æ÷ÀåÀÇ Æ²¸² Çö»óÀ» ¹æÁöÇϴµ¥ À¯¸®ÇÏ´Ù°í ÆÇ´ÜµÇÁö¸¸ ¾ÈÁ¤Ã³¸®±âÃþ¸¸À¸·Î´Â »óÇâħÅõ¼ö¾Ð¿¡ °ßµô ¼ö ¾øÀ¸¹Ç·Î ÁöÁß¹è¼ö°ü ¹× »ç¸é¹è¼ö°ø¹ýÀ» Àû¿ëÇÏ¿© »ç¿ëÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù°í ÆÇ´ÜµÈ´Ù.
Construction of road closed to mountains is inevitable in Korea because the mountainous region in Korea is more than 70% in area. Recently, due to global warming, typhoons or heavy rainfalls frequently occur, and accordingly, mountain roads are seriously damaged by landslides, debris flows, and uplift pressure below pavement. in this study, damage on pavement by uplift pressure was investigated. Various influencing factors such as slope angle, reinforcement of slope surface, thickness of soil cover underlain by rock, and types of drainage system were considered to evaluate uplift pressure acting on the bottom of pavement. Raising of water table up to the surface of slope may depend on the duration and intensity of rainfall. It shows that the installation of subdrain can reduce the uplift water pressure. Therefore, It is concluded that the use of subdrain system is effective to decrease uplift pressure and cement treated base is more endurable than typical crushed-stone base.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.12, no.1, 2010³â, pp.1-8
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201023064631066)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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